Adding a command line flag to specify renderer process limit

content/browser/renderer_host/render_process_host_browsertest.h

Index: content/browser/renderer_host/render_process_host_browsertest.h
diff --git a/content/browser/renderer_host/render_process_host_browsertest.h b/content/browser/renderer_host/render_process_host_browsertest.h
index 58d9f512a42f817d9150ba9984e609b26a1ca708..a8405ee5308752f0afcd214185735c37b20a1e82 100644
--- a/content/browser/renderer_host/render_process_host_browsertest.h
+++ b/content/browser/renderer_host/render_process_host_browsertest.h
@@ -6,8 +6,10 @@
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_BROWSERTEST_H_
 #pragma once
 
+#include "base/command_line.h"
 #include "base/process.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "content/public/common/content_switches.h"
 
 
 class GURL;
@@ -18,6 +20,15 @@ class RenderProcessHostTest : public InProcessBrowserTest {
 
   int RenderProcessHostCount();
   base::ProcessHandle ShowSingletonTab(const GURL& page);
+  void TestProcessOverflow();
+};
+
+class RenderProcessHostTestWithCommandLine : public RenderProcessHostTest {
+ protected:
+  virtual void SetUpCommandLine(CommandLine* command_line) {
+    InProcessBrowserTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitchASCII(switches::kRendererProcessLimit, "1");
+  }
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_BROWSERTEST_H_